ISBN: 9786130132699 - light pollution: disappearance of stars (2 resultados)

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The use of excessive artificial lights have become a major problem in our society. This problem known as light pollution, is distorting the natural equilibrium of many lives. Above all, at night, people can no longer recognise the dark sky where stars used to twinkle. The differentiation between day and night has become almost impossible! Englisch.…

Kartoniert / Broschiert. Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The use of excessive artificial lights have become a major problem in our society. This problem known as light pollution, is dist.…